COVID-19 lockdown and association with placental function – a quasi-experimental analysis

Being exposed to COVID 19 lockdown was associated with a slight increase in hypertensive disorders of pregnancy, including pre-eclampsia, but a counterintuitive trend towards lower risk for small-for-gestational-age. Because the effect was most clear in the first trimester, the nationwide lockdown therefore seems to have a complex effect on the in-utero environment through the placenta.